import java.util.Random;
import java.util.Scanner;
public class Test {
    public static void main(String[] args) {
        int[] array = {1,2,3,4,5};
        int[] arr = new int[5];
        arr[0]=2;
        System.out.println(arr[0]);
        System.out.println(arr[1]);
        String[] arr1 = {"abc","bd","ab"};
        System.out.println(arr1[0]);
        String[] arr2 = new String[5];


          //  System.out.println(array[4]);

    }
  /*  public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String str = "123456";
        int count = 3;
        while (count > 0) {
            System.out.println("请输入密码");
            String arr = scanner.nextLine();
            if (arr.equals(str)) {
                System.out.println("登陆成功");
                return ;
            } else {
                count--;
                System.out.println("登录失败，你的机会还有"+count);
            }
        }
    }*/
 /*   public static int max2(int x,int y) {
        return x>y?x:y;
    }
    public static int max3(int x,int y,int z) {
        return max2(x,y)>z?max2(x,y):z;
    }
    public static void main(String[] args) {
        int a = 2;
        int b = 3;
        int c = 4;
        System.out.println(max3(a,b,c));
    }*/
   /* public static int sum(int a,int b) {
        return a+b;
    }
    public static double sum(double z,double x,double y) {
        return z+x+y;
    }
    public static void main(String[] args) {
        int a = 1;
        int b = 2;
        double z = 1.1;
        double x = 2.2;
        double y = 3.3;
        System.out.println(sum(a,b));
        System.out.println(sum(z,x,y));
    }*/
  /*  public static int max(int a,int b) {
        return a>b?a:b;
    }
    public static double max(double a,double b,double c) {
        return a>b?a:b>c?b:c;
    }
    public static void main(String[] args) {
        int a = 2;
        int b = 3;
        double z = 4.4;
        double x = 8.2;
        double y = 3.3;
        System.out.println(max(x,y,z));
        System.out.println(max(a,b));
    }*/
   /* public static void hanouta(int n,char pos1,char pos2,char pos3) {
        if (n == 1) {
            move(pos1,pos3);
            return ;
        }
        hanouta(n-1,pos1,pos3,pos2);
        move(pos1,pos3);
        hanouta(n-1,pos2,pos1,pos3);
    }
    public static void move(char pos1,char pos3) {
        System.out.print( pos1 + "->" + pos3 + " ");
    }
    public static void main(String[] args) {
        int n = 3;
        hanouta(n,'A','B','C');
    }*/
  /*  public static int fib(int n) {
        if( n == 1 || n == 2 ) {
            return 1;
        }
        return fib(n-1)+fib(n-2);
    }
    public static void main(String[] args) {
        System.out.println(fib(1));
        System.out.println(fib(2));
        System.out.println(fib(3));
        System.out.println(fib(10));
    }*/
    /*public static int sumEvery(int n) {
        if(n < 10) {
            return n;
        }
        int ret = sumEvery(n/10) + n%10;
        return ret;
    }
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        System.out.println(sumEvery(n));
    }*/
  /*  public static void print(int n) {
        if( n < 10 && n > 0) {
            System.out.print( n + " ");
            return ;
        }
        print(n/10);
        System.out.print( n%10 + " ");
    }
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        print(n);
    }*/
  /*  public static int sum(int n) {
        if (n == 1) {
            return 1;
        }
        int Sum = n + sum(n-1);
        return Sum;
    }
    public static void main(String[] args) {
        System.out.println(sum(10));
    }*/
/*    public static int fac(int n) {
        if (n == 1) {
            return n;
        }
        int ret = n * fac(n-1);
        return ret;
    }
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        System.out.println(fac(n));
    }*/
}
